Hey! EF 35mm f/2 IS comes with lens hood! WOW!
At leas we know now where this price comes from...
On what are you basing that statement? If it's the B&H 'what's in the box' list, I'd reserve judgement - I think that's an error. If you look at 'more images' you'll see the picture of the hood is the EW-83L, the hood for the 24-70/4L IS. A hood with an 83mm diameter at the bayonet mount isn't going fit on a lens with a specified maximum diameter of 77.9mm. Most likely, someone setting up the B&H webpage did the 24-70/4L IS first, then just copied and pasted.
But if you're source is something more official, please share!